A processing method for improving the hardness of Chinese fir handicrafts

Abstract

The invention discloses a processing method for improving the hardness of a cedar craft. The method comprises the following steps of (1) activating treatment, wherein a cedar product is immersed in a hormone solution and a plant alkaloid solution respectively to be subjected to immersion treatment; (2) antibacterial immersion, wherein the activated product is immersed in a sterilization solution to be subjected to vacuum steaming; (3) ionization treatment, wherein on-load voltages of 120-130 V and 150-156 V are used for ionization respectively, and two cycles of ionization treatment are carried out in the conditions of 92-97 DEG C and 115-120 DEG C; (4) magnetizing curing, wherein the ionized product is immersed in an alkaloid solution to be subjected to magnetizing treatment at the frequencies of 1-2 MPa and 3-4 MPa respectively; (5) drying, wherein the product is dried to the water content of 6-8% at 60-65 DEG C. According to the cedar craft processed by the method, the Rockwell hardness is improved by 116 HR, the tensile strength is improved by 29 MPa, the absorptive performance is reduced by 13.8%, and the flame retardance is improved by 25 S.

Description

technical field [0001] The invention belongs to the technical field of processing fir handicrafts, and in particular relates to a processing method for improving the hardness of fir handicrafts. Background technique [0002] Chinese fir, also known as sand wood and sand tree, belongs to the family Pinaceae. Its growth height can reach 30 meters, its stem can reach 2.5-3 meters, and its bark is grayish brown; it is widely distributed in the Yangtze River Basin and Qinling Mountains in China. The southern region has the characteristics of wide cultivation area, fast growth and high economic value, and is an important raw material for wood processing. The fir wood is delicate and soft, with a strong woody fragrance. Its trunk and texture grow straight and are easy to process. It can be used as raw materials in the fields of construction, bridges, shipbuilding, electric poles, furniture, wood fiber, and handicrafts. However, the specific gravity of fir is only about 0.38, its w...

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the existing problems: in terms of hardness, its wooden structure is relatively soft, the processed handicrafts have low hardness and low pressure resistance to the external environment; in terms of anti-mildew, the woody part has rich fiber content and the woody part has poor compactness , the fiber has good adsorption properties, which will cause fir handicrafts to absorb moisture and mold in the environment during use or storage. Although the woody components contain tannins, the antibacterial effect is low, and fir handicrafts will become moldy and deteriorate, reducing the quality of fir. The service life of handicrafts; In terms of processing, due to the low moisture content and wood activity in the wood in the processing of Chinese fir handicrafts, the effective components of the treatment liquid will have a poor processing effect on the Chinese fir process.